# Math Help - tens and ones

1. ## tens and ones

My tens digit is 3 more than 5.My tens digit is double the number of my ones digit.What number am I?

2. Originally Posted by mredhi390
My tens digit is 3 more than 5.
So the tens digit is 5+3=8

My tens digit is double the number of my ones digit.What number am I?
So the ones digit is 8/2=4.

The number is 84

RonL

3. Originally Posted by mredhi390
My tens digit is 3 more than 5.My tens digit is double the number of my ones digit.What number am I?
I'm assuming a two digit number?

Let it be $ab = a \cdot 10 + b$.

We know that a is 3 more than 5, so a = 8.

a is double b, so a = 2b. Since a = 8, thus b = 4.

So the number is 84.

-Dan

4. my ones digit is 2 less than 8. my ones digit is 4 more than my tens digit. what number am i

5. Originally Posted by erica
my ones digit is 2 less than 8. my ones digit is 4 more than my tens digit. what number am i
Well, 8 - 2 = 6, so that's the one's digit. 6 - 4 = 2, so that's the ten's digit. Your number is 26.

-Dan

6. ## i know that one

Originally Posted by mredhi390
My tens digit is 3 more than 5.My tens digit is double the number of my ones digit.What number am I?